Thursday, July29, 2021
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Marine Weather and Tides
Sausalito, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:09AMSunset 8:22PM Thursday July 29, 2021 3:27 PM PDT (22:27 UTC) Moonrise 10:52PMMoonset 10:58AM Illumination 70% Phase: Waning Gibbous; Moon at 20 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ545 Coastal Waters From Point Reyes To Pigeon Point California Out To 10 Nm- 238 Pm Pdt Thu Jul 29 2021
Tonight..W winds 10 to 15 kt. Wind waves 2 to 3 ft. SWell S around 2 ft at 13 seconds.
Fri..SW winds 5 to 10 kt. Wind waves around 3 ft. SWell S around 2 ft at 13 seconds.
Fri night..SW winds 10 to 15 kt. Wind waves around 3 ft. SWell S around 2 ft at 14 seconds.
Sat..SW winds 5 to 10 kt. Wind waves around 3 ft. SWell S around 2 ft at 15 seconds.
Sat night..SW winds 5 to 10 kt. Wind waves 3 to 4 ft. SWell S around 2 ft at 15 seconds.
Sun..SW winds 5 to 10 kt. Wind waves 3 to 4 ft. SWell S around 2 ft at 16 seconds.
Sun night..W winds 5 to 10 kt. Wind waves 3 to 4 ft. SWell sw around 2 ft at 16 seconds.
Mon..W winds 10 to 15 kt. Wind waves 4 to 5 ft. SWell sw around 2 ft.
Tue..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 4 to 5 ft. SWell sw around 2 ft.
...san francisco bar/fourfathom bank forecast..... In the deep water channel...seas 3 to 4 ft, with a dominant period of 8 seconds. Across the bar...seas 4 to 5 ft, with a dominant period of 8 seconds. Maximum ebb current of 2.0 kt at 10:01 pm Thursday and 1.7 kt at 10:13 am Friday.
PZZ500 238 Pm Pdt Thu Jul 29 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Predominately light winds today, with locally gusty winds in the outer waters north of point reyes. In addition, the afternoon seabreeze will bring gusty west to southwest winds from the golden gate gap towards angel island, san pablo bay, and the carquinez strait through at least the next couple of days. Otherwise, a moderate southerly swell will persist in the waters.


7 Day Forecast for Marine Location Near Sausalito, CA
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location: 37.8, -122.5     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 292155 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 255 PM PDT Thu Jul 29 2021

SYNOPSIS. Seasonably warm weather continues into Friday before a slight cooling trend arrives Saturday through early next week. High pressure rebuilds over Southern California by the middle of next week with more inland warming while the marine layer will persist along the coast.

DISCUSSION. as of 2:55 PM PDT Thursday . Skies are mostly sunny this afternoon while a few high clouds pass over the region. Along the coast the marine layer is hugging area beaches with a current depth around 1200-1500 feet. Meanwhile over the Sierra moisture is increasing with numerous showers and t-storms across the crest and streaming northward. The ocean sea surface temps (SST) have trended upward the last few days as coastal upwelling has eased with light northwest winds. Current SST readings around 60 degrees has left the coast feeling muggier than normal and mild overnight lows even within the marine boundary layer. Temps this afternoon still running pretty hot inland with widespread 90s and even some lower 100s for the hottest interior valleys.

For tonight expect the marine layer to only push locally into the bay and coastal valleys given the shallow depth though onshore gradients remain moderate around 2.5 mb.

For Friday, still not expecting much overall change as seasonably hot weather will continue inland with mild to warm conditions near the coast and bays. Monsoonal moisture will still be abundant across the Sierra and Nevada as well as points northward but not expected to impact the Bay Area/Central Coast.

An incoming trough will approach late Friday night into Saturday. This should lead to a deepening marine layer and stronger onshore winds by Saturday afternoon and ultimately some slight cooling inland as upper 80s/lower 90s become more common versus upper 90s to lower 100s. This trough will bring increasing southwest wind flow aloft helping to push any residual monsoon moisture well east of the Bay Area and more east of the crest. In addition a better mixing profile and stronger winds aloft should help to keep Dixie Fire smoke from draining down the valley and into the Bay Area.

Weak troughing off the coast into early next week should keep temps near to slightly below normal with persistent marine layer and onshore winds. Building high pressure over SoCal by middle to end of next week will bring renewed inland warming but in general a pretty seasonable pattern as we head into August. As noted this morning many of todays record highs date back to 1977 which preceded the late July/early August lightning of that summer. No record heat waves on the horizon and not seeing any signals for lightning events at this time in the mid/long range as monsoonal pushes look to stay to our east.

AVIATION. as of 10:45 AM PDT Thursday . For the 18z TAFs. Typical midsummer pattern in effect with marine stratus along the coast and monsoonal air aloft. Generally, expect to see VFR today, with FEW- SCT at 15000-20000 feet through the afternoon. Winds generally light and terrain driven in the morning, becoming locally breezy onshore through the coastal gaps in the afternoon. For tonight, a compressed marine layer will bring similar patchy VLIFR- IFR level marine stratus cigs to coastally influenced terminals and lowering mid to high level FEW-SCT 10000-15000 ft cigs elsewhere. Similar pattern tomorrow.

Vicinity of KSFO . VFR through the TAF period. Winds remain mild until afternoon with peak winds from the Northwest around 15-20 kts. These winds look to last through that evening but back off into Thursday night. For tonight, patchy stratus deck returns with borderline MVFR/IFR SCT/BKN deck into mid morning Friday.

KSFO Bridge Approach . Similar to KSFO.

Monterey Bay . Winds remain weak and variable through the morning, before becoming onshore and slightly breezy in the afternoon. Winds weaken and stratus returns in the late evening and early night leading to IFR around the Monterey Bay overnight.

MARINE. as of 02:08 PM PDT Thursday . Generally light to locally moderate gusty northwest winds across the northern outer waters. Breezy to gusty west winds each afternoon and evening across the San Francisco Bay north of the Bay Bridge otherwise light northwest winds through Monday. A moderate period southerly swell will persist in the waters.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . SF Bay until 9 PM



PUBLIC FORECAST: RWW AVIATION: DRP MARINE: DRP

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FTPC1 - 9414290 - San Francisco, CA 2 mi57 min WSW 11 G 18 59°F 63°F1013.7 hPa
PXSC1 5 mi57 min 66°F 66°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 6 mi57 min WSW 8 G 14 67°F 1012.7 hPa
46237 - San Francisco Bar, CA (142) 7 mi57 min 61°F3 ft
TIBC1 - Tiburon Pier, San Francisco Bay, CA 7 mi76 min NNW 2.9 70°F 1013 hPa
OBXC1 8 mi57 min 64°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 9 mi57 min W 9.9 G 11
OKXC1 - 9414776 - Oakland (Berth 34), CA 9 mi57 min WNW 12 G 14 62°F 1013.6 hPa
RCMC1 - 9414863 - Richmond, CA 10 mi57 min SSE 6 G 9.9 66°F 65°F1013.3 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 10 mi57 min SSW 13 G 20 62°F 1013.6 hPa
AAMC1 - 9414750 - Alameda, CA 11 mi57 min W 7 G 8 67°F 69°F1013.8 hPa
LNDC1 12 mi57 min WNW 4.1 G 7 68°F 1013.5 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 18 mi47 min WSW 3.9 G 5.8 59°F1014.9 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 22 mi57 min WSW 14 G 16 71°F 1012 hPa
CQUC1 23 mi68 min 69°F
RTYC1 - 9414523 - Redwood City, CA 25 mi57 min NNW 9.9 G 13 69°F 1013.9 hPa
UPBC1 26 mi57 min WNW 14 G 17
MZXC1 - 9415102 - Martinez-Amorco CA 26 mi57 min WNW 15 G 16 78°F 70°F1011.7 hPa
PRYC1 - 9415020 - Point Reyes, CA 29 mi57 min 58°F1014.8 hPa
PCOC1 - 9415144 - Port Chicago, CA 30 mi57 min W 13 G 15 78°F 71°F1011.4 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 36 mi57 min NW 12 G 17 79°F 1010.7 hPa
SFXC1 - San Francisco Bay Reserve, CA 37 mi102 min W 11 87°F 1012 hPa60°F
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 37 mi47 min W 3.9 G 5.8 57°F 1014.9 hPa56°F
BDXC1 47 mi81 min 59°F

Wind History for San Francisco, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Francisco, San Francisco International Airport, CA14 mi31 minNW 1610.00 miMostly Cloudy72°F57°F59%1012.5 hPa
Oakland, Metro Oakland International Airport, CA16 mi34 minWNW 1210.00 miMostly Cloudy72°F57°F59%1013 hPa
Hayward, Hayward Air Terminal, CA22 mi33 minWNW 1010.00 miFair78°F60°F54%1013.4 hPa
San Carlos Airport, CA23 mi40 minN 1110.00 miPartly Cloudy75°F59°F57%1013.2 hPa
Novato / Gnoss Field, CA24 mi32 minNNE 10 G 1510.00 miFair90°F59°F36%1011.8 hPa

Link to 5 minute data for KSFO

Wind History from SFO (wind in knots)
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NW21NW17NW16NW18NW13NW11NW12NW12NW11NW9W9NW7NW6W7NW4N3N4N5NE6NW12NW14NW15NW16
1 day agoNW17NW17W20W18NW15NW15NW12NW7NW7W8NW12NW10NW9NW10NW9--NW8N6NE4NE4NW12W17NW16NW19
2 days agoN104N12NW10NW13NW10NW73NW5NW5W7NW7W5CalmCalmNW7NW7NW5N5NE5N7NW12NW15NW21

Tide / Current Tables for San Francisco, California (2) (expired 1998-12-31)
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San Francisco
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Thu -- 03:41 AM PDT     4.59 feet High Tide
Thu -- 06:11 AM PDT     Sunrise
Thu -- 09:51 AM PDT     0.82 feet Low Tide
Thu -- 11:58 AM PDT     Moonset
Thu -- 04:59 PM PDT     5.28 feet High Tide
Thu -- 08:20 PM PDT     Sunset
Thu -- 10:58 PM PDT     2.01 feet Low Tide
Thu -- 11:51 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.93.54.14.54.64.23.52.51.610.81.11.82.63.64.45.15.354.43.52.72.22

Tide / Current Tables for San Francisco Bay Entrance (Golden Gate), California Current
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San Francisco Bay Entrance (Golden Gate)
Click for Map
Thu -- 12:07 AM PDT     0.00 knots Slack
Thu -- 02:47 AM PDT     2.31 knots Max Flood
Thu -- 05:41 AM PDT     -0.00 knots Slack
Thu -- 06:11 AM PDT     Sunrise
Thu -- 08:34 AM PDT     -3.29 knots Max Ebb
Thu -- 11:58 AM PDT     Moonset
Thu -- 12:19 PM PDT     0.00 knots Slack
Thu -- 03:18 PM PDT     2.85 knots Max Flood
Thu -- 06:32 PM PDT     -0.00 knots Slack
Thu -- 08:21 PM PDT     Sunset
Thu -- 09:12 PM PDT     -2.87 knots Max Ebb
Thu -- 11:51 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.21.12.12.31.90.9-0.5-2.1-3.1-3.2-2.6-1.6-0.412.22.82.720.8-0.8-2.2-2.9-2.7-2.1

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